Mary McCormack
Actor
Biography
Mary Catherine McCormack is an American actress. She has had leading roles as Justine Appleton on the series Murder One (1995–1997), as Deputy National Security Adviser Kate Harper on The West Wing (2004–2006), as Deputy U.S. Marshal Mary Shannon on In Plain Sight (2008–2012), and as Peggy on the comedy series The Kids Are Alright (2018–2019).
Filmography
Deep Impact
as Andrea Baker 1998
K-PAX
as Rachel Powell 2001
Miracle on 34th Street
as Myrna Foy 1994
True Crime
as Michelle Ziegler 1999
54
as New Year's Eve Wife (uncredited) 1998
Private Parts
as Alison Stern 1997
Scooby-Doo! WrestleMania Mystery
as Ms. Richards (voice) 2014
Unpregnant
as Debra Clarke 2020
Fathers' Day
as Virginia Farrell (uncredited) 1997
Drone
as Ellen 2017
Mystery, Alaska
as Donna Biebe 1999
Right at Your Door
as Lexi 2006
Vicious
as Mother 2025
Dickie Roberts: Former Child Star
as Grace Finney 2003
For Your Consideration
as Pilgrim Woman 2006
Gun Shy
as Gloria Nesstra 2000